1/* $OpenBSD: auixpvar.h,v 1.5 2020/06/27 00:33:59 jsg Exp $ */
2/* $NetBSD: auixpvar.h,v 1.3 2005/01/12 15:54:34 kent Exp $*/
3
4/*
5 * Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud@netbsd.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. The name of the author may not be used to endorse or promote products
14 *    derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29
30/*
31 * NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
32 */
33
34#define DMA_DESC_CHAIN	255
35
36/* audio format structure describing our hardware capabilities */
37/* XXX min and max sample rates are for AD1888 codec XXX */
38#define AUIXP_NFORMATS 6
39
40#define AUIXP_MINRATE  7000
41#define AUIXP_MAXRATE 48000
42
43/* auixp structures; used to record alloced DMA space */
44struct auixp_dma {
45	/* bus mappings */
46	bus_dmamap_t		 map;
47	caddr_t			 addr;
48	bus_dma_segment_t	 segs[1];
49	int			 nsegs;
50	size_t			 size;
51
52	/* audio feeder */
53	void			 (*intr)(void *);
54	void			*intrarg;
55
56	/* status and setup bits */
57	int			 running;
58	u_int32_t		 linkptr;
59	u_int32_t		 dma_enable_bit;
60
61	/* linked list of all mapped area's */
62	SLIST_ENTRY(auixp_dma)	 dma_chain;
63};
64
65struct auixp_codec {
66	struct auixp_softc	*sc;
67
68	int			 present;
69	int			 codec_nr;
70
71	struct ac97_codec_if	*codec_if;
72	struct ac97_host_if	 host_if;
73	enum ac97_host_flags	 codec_flags;
74};
75
76struct auixp_softc {
77	struct device		sc_dev;
78	void			*sc_ih;
79
80	/* card properties */
81	int			has_4ch, has_6ch, is_fixed, has_spdif;
82
83	/* bus tags */
84	bus_space_tag_t		sc_iot;
85	bus_space_handle_t	sc_ioh;
86	bus_addr_t		sc_iob;
87	bus_size_t		sc_ios;
88
89	pcitag_t		sc_tag;
90	pci_chipset_tag_t	sc_pct;
91
92	bus_dma_tag_t		sc_dmat;
93
94	/* DMA business */
95	struct auixp_dma	*sc_output_dma;
96	struct auixp_dma	*sc_input_dma;
97
98	/* list of allocated DMA pieces */
99	SLIST_HEAD(auixp_dma_list, auixp_dma) sc_dma_list;
100
101	/* codec */
102	struct auixp_codec	sc_codec;
103	int			sc_codec_not_ready_bits;
104
105	/* last set audio parameters */
106	struct audio_params	sc_play_params;
107	struct audio_params	sc_rec_params;
108};
109